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Browsing by Author Behrendt, Сezary: 05 Scientific Journals of the Maritime University of Szczecin

  • Behrendt, Сezary; Motorny, Anatoly (Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w Szczecinie, )
    It has been shown that the concept of exergue can be used in the analysis of ther-mo-dynamic efficiency. The concept incorporates both principles of thermodynamics. The factor of exergue efficiency is shown. The developed technique of defining the values of exergue losses occurring at the utilization of heat of internal combustion engine ex-haust gases is based. The technique is based on the entropy method. The obtained de-pendences determining the influence of various factors have been presented as well.

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  • Behrendt, Сezary; Motorny, Anatoly (Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w Szczecinie, )
    The factor of thermal efficiency, used for the assessement of the use of heat in the diesel engine working cycles, has been based on the the first law of thermodynamics only. This paper indicates the fact that to achieve more comprehensive thermodynamic analyses it is necessary to use factors based on the two laws of thermodynamics. One such factor herein proposed is the exoergic efficiency. The method for the determination of this factor for the main engine is presented. Original relations involving the exoergic efficiency are set out. The factor depends on the ambient temperature.

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